<template>
	<view>
		<view class="search-box">
			<uni-search-bar @input="input" :radius="100" cancelButton="none">
				
			</uni-search-bar>
		</view>
		<view class="sugg-list" v-if="searchResults.length !== 0">
			<view class="sugg-item" v-for="(item, i) in searchResults" :key="i" @click="gotoDetail(item.goods_id)">
				<view class="goods-name">
					{{item.goods_name}}
				</view>
				<uni-icons type="arrowright" size="16"></uni-icons>
			</view>
		</view>
		<view class="history-box" v-else>
			<view class="history-title">
				<text>搜索历史</text>
				<uni-icons type="trash" size="17" @click="cleanHistory"></uni-icons>
			</view>
			<view class="history-list">
				<uni-tag :text="item" v-for="(item, i) in historys" :key="i" @click="gotgGoodsList(item)"></uni-tag>
			</view>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				timer: null,
				kw: '',
				searchResults: [],
				historyList: []
			};
		},
		methods: {
			input(e) {
				// console.log(e)
				clearTimeout(this.timer)
				
				this.timer = setTimeout(() => {
					this.kw = e
					// console.log(e)
					this.getSearchList()
				}, 500)
			},
			async getSearchList() {
				if(this.kw === '') {
					this.searchResults = []
					return
				}
				const { data: res } = await uni.$http.get('/api/public/v1/goods/qsearch', { query: this.kw })
				if(res.meta.status !== 200 ) return uni.$showMsg()
				console.log(res)
				this.searchResults = res.message
				this.saveSearchHistory()
			},
			saveSearchHistory() {
				// this.historyList.push(this.kw)
				const set = new Set(this.historyList)
				set.delete(this.kw)
				set.add(this.kw)
				this.historyList = Array.from(set)
				uni.setStorageSync('kw', JSON.stringify(this.historyList))
			},
			gotoDetail(item) {
				uni.navigateTo({
					url: '/subpkg/goods_detail/goods_detail?goods_id' + item
				})
			},
			cleanHistory() {
				this.historyList = []
				uni.setStorageSync('kw', '[]')
			},
			gotgGoodsList(item) {
				uni.navigateTo({
					url: "/subpkg/goods_list/goods_list?quert" + item
				})
			}
		},
		computed: {
			historys() {
				return [...this.historyList].reverse()
			}
		},
		onLoad() {
			this.historyList = JSON.parse(uni.getStorageSync('kw') || '[]')
		}
	}
</script>

<style lang="scss">
.search-box {
	position: sticky;
	top: 0;
	z-index: 999;
}
	
.uni-search-bar {
	display: flex;
	flex-direction: row;
	position: relative;
	padding: 16rpx;
	background-color: #c00000;
}
.sugg-list {
	padding: 0 5px;
	
	.sugg-item {
		font-size: 12px;
		padding: 13px 0;
		border-bottom: 1px solid #efefef;
		display: flex;
		align-items: center;
		justify-content: space-between;
		
		.goods-name {
			white-space: nowrap;
			overflow: hidden;
			text-overflow: ellipsis;
			margin-right: 3px;
		}
	}
}
.history-box {
	padding: 0 5px;
	
	.history-title {
		display: flex;
		justify-content: space-between;
		align-items: center;
		height: 40px;
		font-size: 13px;
		border-bottom: 1px solid #efefef;
	}
	
	.history-list {
		display: flex;
		flex-wrap: wrap;
		
		.uni-tag {
			margin-top: 5px;
			margin-right: 5px;
		}
	}
}
</style>
